I have been converting a lot of cells back to tanks. The addition of a couple of baffles makes them a lot stiffer and the fuel can't eat gaskets, foam and bladders that aren't in there anymore. I'm really excited about a spark suppression I've been installing in all the tanks I make now. Combat vehicles are using it for the safety aspect. It also works as a baffle, outlasts the container, weighs and displaces very little. There is a great demo video of it here.
The Problem & The DSS